Step-bearing for skewers.



H. A. OWEN.

STEP BEARING FOR SKEWERS.

APPLICATION man SEPT. :4. 1908.

1,198,262. Patented Sept. 12, 1916.

'llllix y Q Wm r51 12 Inventor:

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- UNITED $TATES PATENT OFFICE.

HENRY A. OWEN, OF WHITINSVILLE, MASSACHUSETTS, ASSIGNOR TO TIEIE WHITIN MACHINE WORKS, OF WHITINSVILLE, IVIASSACHUSETTS, A CORPORATION OF MAS- SACHUSETTS.

STEPBEARING FOR SKEWERS.

Specification of Letters Patent.

Patented Sept. 12, 1916.

To all whom it may concern:

Be it known that I, HENRY A. OWEN, a citizen of the United States, residing at \lVhitinsville, in the county of Worcester and Commonwealth of Massachusetts, have invented certain new and useful Improvements in Step Bearings for Skewers, of which the following is a full, true, and exact specification, from which others will be enabled to make, construct,-and use the same.

The invention consists of improved means for holding porcelainor similar skewersteps in the perforations of their creel boards, and particularly in the punched perforations of sheet metal creel-boards, and the invention comprises to this end, a tubular metallic bushing or equivalent member constituting a step-holder adapted to receive and hold the skewer step below the surface o f the board, or so that its upper end is sub ially flush with the upper surface therewhich preferably provides a yielding .1 lining between the skewer step and Q'dge of the perforation, with sutticient friction upon the steppiece to hold the same securely, but so that it can be readily ret-lie application of suflicient force step jis not subjected to excessive lateral pressure and is permitted to expand with safety on change of temperature.

Figure l is a vertical transverse section of a sheet metal roving creel of a spinning frame intended to illustrate the use of the step-bearings of my invention; Fig. 2 is a top plan view, in full size, of aconstruction of step bearing according to this invention; Fig. 3 is a vertical-central section of Fig. 2; Fig. 4 is a bottom plan of the holder; and Fig. 5 a central section thereof; Figs. 6 and 7 are respectively top plan and vertical central section of a modified form; Figs. 8 and 9 are similar views of a still further modification and the preferred embodiment of the invention; and Figs. 10 and 11 are similar views of a further modification.

The roving creel shown in Fig. 1 consists of a bottom creel-board 1 of sheetmetal, carrying uprights 2 and middle and top-creel-boards 3 and 4, carried by said uprights, and also made of sheet metal. The roving bobbins 5 are supported upon skewers 6 which are mounted to rotate on vertical axes between the creel-boards so that the yarn may be drawn therefrom by Qbeneath, and whereby, also, the skewerthe rollers 7 in the usual manner. Skewersteps, such as shown at 8 in certain of the figures, made of porcelain or other vitreous material and with concave tops which form the step-bearing surface, provide the supports upon which the bases of the skewers are set. These steps are accommodated in perforations, punched in the 'creel-boards. The upper ends of the skewers are sup ported by means of top holders depending from the upper creel-boards, and designated 9.

Referring first to the construction illustrated in Figs. 25, the holder in which the skewer-step is supportedconsists of a cup-shaped bushing which has a rim-flange 10, an opening 11 inthebo'ttom, and an inner flange or ledge 12. surrounding the opening. The bushing isipreferably yieldmg and more or less resilient, and it is also somewhat tapered, so. as to be adapted to be pushed into frictionalengagementwith the perforation in the creel-board and into a de' pressed position therein wherein its flange 10 becomes seated upon the surrounding portion of the creel-board or substantially flush therewith and forms a positive stop limiting the entry of the bushing into the hole. The skewer-step S'may rest' on the ledge or bottom 12 of the bushing, being held against accidental displacement either by the frictional engagement of the bushing upon its sides,'or otherwise as desired, from which position it may be ejected, by thrusting a pointed instrumentthrough the opening' 11, or by pushing the bushing out of its hole, or prying it out by its rim-flangelO. In the case illustrated, a desirable resilienceof the walls of the holder is obtained by making it of thin sheet metal, longitudinally crimped or corrugated, as indicated at 13. The corrugations form a. resilient lining between the edge of the perforation and the skewer-step, which yields sufficiently to prevent fracture of the porcelain step but at the same time creates sufficient friction therewith to hold it securely, the said friction being produced at points around the periphery of the step instead of generally on the whole peripheral surface.

In the embodiment of the invention according to Figs. 6 and 7, the holder has the form of a split bushing, the halves or seetions of which are joined by a Hat uniting strip 12' at the bottom, which construction 11 enables the holder to be struck up from a flat sheet metal blank, without drawing, and in the obvious manner, the end portions of the blank forming the sides of the bushing, having the rim-flange 10 and longitudinal corrugations 13, while the intermediate portion or uniting strip forms the ledge which limits the inward movement of the skewer step. This division of the barrel part of the bushing into sections affords an increased resilience as compared with the holder of Figs. 2*5, permitting the holder to be more readily pressed into the perforation and to accommodate variations in size of the steps inasmuch as the sections of the barrel are free to yield towardor from each other, and to produce a firmer engagement between the hole and the sides of the skewerstep, the pressure thereupon being yielding, however, due to the corrugations.

Figs. 8 and 9 illustrate a cup -shaped holder wherein the barrel portion having a rim-flange 10 as before is provided with a lateral protuberance in the form of a transversely disposed corrugation 14 which is sufficiently elastic to permit of its being crowded into or partially through the perforation of the creel-board and, by expanding slightly underneath the same, to afford a retaining means for the holder which is somewhat more positive in its action than any of the preceding forms. Obviously the corrugation for this purpose may be continuous in an annular direction, as shown in the figures referred to, or it may be interrupted in the form of a series of interior dents. The interior of the barrel of this holder is preferably inclined or tapered with relation to the wall of the skewer-step so that when the latter is inserted it can be pressed into firm supporting contact therewith, in which position it will preferably have its top concave bearing surface in substantially the same plane as the rim-flange 10 as above stated. The ledge 12 serves as before to limit the inward movement of the step and also, in most cases, to support it and the weight of the skewer and bobbin thereon, and it is preferred that the cylindrical walls or the barrel portion of the holder shall be of sufficiently elastic material and of such diameter With respect to the skewer-step as to produce a snug fit whether the ledge 12 is called upon to support the load, or some other means provided to that end.

In Figs. 10 and 11 the same construction is followed, the holder of this form being formed of a fiat blank as in the case of the form of Figs. 6 and 7, which in its finished form constitutes a split bushing with a rimflange 10 and an exterior protuberance or transverse corrugation 14 serving as means for retaining the holder in position. The formation of the barrel in sections leads to the same relative advantages as were above described with reference to the form of Figs. 6 and 7, but the mode of operation of this form diflers from that of Figs. (3 and '7 in the respect that the split bushing may be inserted in the creel-plate perforation, empty and also somewhat contracted, so that the transverse corrugation 14 will pass freely by the edge of the plate and then when seated in the hole, the step may be pushed into the holder, expanding the sections like the wings of an expanding or anchor bolt and thereby interlocking the bushing in the hole in a very positive manner. This form of the present invention forms the subject of another application for patent.

Claims:

1. The combination with a sheet metal plate constituting a creel-board and having perforations therein, of means for holding skewer-steps in said perforations comprising metallic, cup-shaped holders seated on the margins of the perforations in said plate by their upper marginal portions and extending below the said plate, the bottom of said holders being provided with interior and integral supporting ledges adapted to support skewersteps and having openings adjacent said ledges, and the organization of the above parts being such that the said steps will be supported in the perforations of the creel-plate with their upper concaved surfaces substantially flush with the upper surface of the said plate.

2. In a roving-creel, the combination with a sheet-metal creel-board, having a perforation therein of greater diameter than the skewer-step, of a flanged cup-shaped holder, having its flange engaged with the margin of said perforation, and a horizontal bottom wall depressed below the same, and a skewerstep having a concave step-bearing surface on its top and held in said holder resting upon the bottom wall with its said bearing surface substantially flush with the top of said creel-board.

3. The combination with a sheet metal creel-board having a perforation adapted to receive a skewer-step, of a corrugated springyielding holder adapted for yieldingly supporting the skewer-step therein.

4. The combination with a creel-board perforated to receive a skewer-step of a corrugated spring-yielding bushing within such perforation depending below the same and a skewer-step frictionally secured therein.

5. The combination with a perforated creel-board, of means for removably holding a skewer-step therein, comprising a bushing having a rim-flange and a transverse corrugation adapted to retain the same in said perforation and a skewer-step held by said bushing.

6. The combination in a creel, of a metal creel-plate having perforations through it, a metallic lining in each of such perforations having a formation adaptin it to yield by virtue of such formation su 'ciently to prevent fracture of a porcelain or vitreous skewer step pushed therein, and a skewer step held in said metallic lining.

7. In a creel, the combination with a perforated metal creel-plate, of a skewenstep holder stamped-up from a flat blankand comprising opposed step-holding portions united by a flexible intermediate portion,

8. In a creel, the combination with a perforated metal creel-plate of a skewer-stepholder adapted to be formed from a sheet metal blank and comprsing opposed stepholding portions united by a flexible strip forming, the bottom of said holder.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of ratcnts.

on said holder adapted to support the skewer step with its top surface flush with the top surface of the creel-plate.

In testimony whereof, I have signed my name to the specification in the presence of two subscribing witnesses.

HENRY A. GIVEN.

W itnesses:

JAMES A. COOPER, OSCAR L. OWEN.

Washington, D. C." a 

